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gen_bpf.h
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gen_bpf.h
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/**
* Seccomp BPF Translator
*
* Copyright (c) 2012 Red Hat <[email protected]>
* Author: Paul Moore <[email protected]>
*/
/*
* This library is free software; you can redistribute it and/or modify it
* under the terms of version 2.1 of the GNU Lesser General Public License as
* published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, see <https://www.gnu.org/licenses>.
*/
#ifndef _TRANSLATOR_BPF_H
#define _TRANSLATOR_BPF_H
#include <inttypes.h>
#include "arch.h"
#include "db.h"
#include "system.h"
/* NOTE - do not change this structure, it is part of the prctl() API */
struct bpf_program {
uint16_t blk_cnt;
bpf_instr_raw *blks;
};
#define BPF_PGM_SIZE(x) \
((x)->blk_cnt * sizeof(*((x)->blks)))
int gen_bpf_generate(const struct db_filter_col *col,
struct bpf_program **prgm_ptr);
void gen_bpf_release(struct bpf_program *program);
#endif